How-To Blogs & Videos
Air Compressor Components And Operation
You bought an air compressor...now what?
This video gives you an explanation of each component on a few popular styles of air compressors and their functionality.
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Sep 17, 2021
Kobalt Compressor Service Tips
Here are some Kobalt compressor service tips. Check out our website at MasterToolRepair.com for schematics for parts and other technical assistance.
Complete Pump/Motor Replacement.Electric motor has failed, windings, or brushes have shorted or burned out.Piston Ring or Cylinder is worn, scored, or broken.Belt is broken or cogs are stripped to point of belt slipping.Fan is broken or bent beyond straitening.Pump frame is crack or broken.2. Electric Motor will not start.Check 30 amp mini prong fu
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Sep 12, 2021
Electric Motor Hard Start issues
Motor ProblemsCheck valve problem
If motor works fine and powers compressor pump until cut-out pressure, but when the compressor cuts back on and tries to recharge the tank, it is unable to start and stalls. (kicks the circuit breaker)Good indication that you have a defective check valve. Go to check valve test.Capacitor Problem
Remove capacitor covers. These are the “humps” on the back of the motor.Do they look overheated? Use a capacitor tester or if not available, test continuity acros
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Sep 10, 2021
Guide to Buying Your First Air Compressor
You're in the market for a new air compressor...what now? There are some things you'll need to know so you can find the air compressor that best fits your needs and your budget.So, let's get started!What brand of air compressor do you choose?How much PSI will I need?How much CFM will I require?Will I need a two-stage unit or is a single-stage unit sufficient?Is oil-free or oil-bath best?If you're a contractor or use your air compressor in an industrial or commercial application, solid
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Sep 9, 2021